56140530 has 16 divisors (see below), whose sum is σ = 134737344. Its totient is φ = 14970800.

The previous prime is 56140519. The next prime is 56140537. The reversal of 56140530 is 3504165.

56140530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 56140530.

It is not an unprimeable number, because it can be changed into a prime (56140537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935646 + ... + 935705.

It is an arithmetic number, because the mean of its divisors is an integer number (8421084).

Almost surely, 2^56140530 is an apocalyptic number.

56140530 is an abundant number, since it is smaller than the sum of its proper divisors (78596814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56140530 is a wasteful number, since it uses less digits than its factorization.

56140530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871361.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 56140530 is about 7492.6984458204. The cubic root of 56140530 is about 382.9059980590.

Adding to 56140530 its reverse (3504165), we get a palindrome (59644695).

The spelling of 56140530 in words is "fifty-six million, one hundred forty thousand, five hundred thirty".